Zero-day vulnerability in Microsoft Office InfoPath

Cross-site scripting

Vulnerability details

Advisory: SB2012100901 - XSS in HTML Sanitization Component in Microsoft Office products

Vulnerable component: Microsoft Office InfoPath

CVE-ID: CVE-2012-2520

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')


The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks and gain elevated privileges.

The vulnerability exists due to insufficient sanitization of user-input within HTML Sanitization Component. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in userтАЩs browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Note: the vulnerability was being actively exploited.